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Duoming Zhou 0ac6306e99 drivers: staging: r8188eu: Fix sleep-in-atomic-context bug in rtw_join_timeout_handler 
[ Upstream commit ce8cc75c74 ]

The rtw_join_timeout_handler() is a timer handler that
runs in atomic context, but it could call msleep().
As a result, the sleep-in-atomic-context bug will happen.
The process is shown below:

     (atomic context)
rtw_join_timeout_handler
 _rtw_join_timeout_handler
  rtw_do_join
   rtw_select_and_join_from_scanned_queue
    rtw_indicate_disconnect
     rtw_lps_ctrl_wk_cmd
      lps_ctrl_wk_hdl
       LPS_Leave
        LPS_RF_ON_check
         msleep //sleep in atomic context

Fix by removing msleep() and replacing with mdelay().

Fixes: 15865124fe ("staging: r8188eu: introduce new core dir for RTL8188eu driver")
Signed-off-by: Duoming Zhou <duoming@zju.edu.cn>
Link: https://lore.kernel.org/r/20221018083424.79741-1-duoming@zju.edu.cn
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2022-12-31 13:26:24 +01:00
arch riscv: Fix P4D_SHIFT definition for 3-level page table mode 2022-12-31 13:26:23 +01:00
block block: clear ->slave_dir when dropping the main slave_dir reference 2022-12-31 13:25:58 +01:00
certs certs: make system keyring depend on built-in x509 parser 2022-09-24 04:31:18 +09:00
crypto crypto: tcrypt - Fix multibuffer skcipher speed test mem leak 2022-12-31 13:26:20 +01:00
Documentation dt-bindings: visconti-pcie: Fix interrupts array max constraints 2022-12-31 13:26:20 +01:00
drivers drivers: staging: r8188eu: Fix sleep-in-atomic-context bug in rtw_join_timeout_handler 2022-12-31 13:26:24 +01:00
fs f2fs: fix iostat parameter for discard 2022-12-31 13:26:23 +01:00
include scsi: libsas: Add smp_ata_check_ready_type() 2022-12-31 13:26:21 +01:00
init init/Kconfig: fix CC_HAS_ASM_GOTO_TIED_OUTPUT test with dash 2022-12-02 17:43:11 +01:00
io_uring io_uring: Fix a null-ptr-deref in io_tctx_exit_cb() 2022-12-14 11:40:53 +01:00
ipc ipc: fix memory leak in init_mqueue_fs() 2022-12-31 13:25:48 +01:00
kernel padata: Fix list iterator in padata_do_serial() 2022-12-31 13:26:20 +01:00
lib lib/notifier-error-inject: fix error when writing -errno to debugfs file 2022-12-31 13:25:45 +01:00
LICENSES LICENSES/LGPL-2.1: Add LGPL-2.1-or-later as valid identifiers 2021-12-16 14:33:10 +01:00
mm tmpfs: fix data loss from failed fallocate 2022-12-14 11:40:52 +01:00
net net: dsa: tag_8021q: avoid leaking ctx on dsa_tag_8021q_register() error path 2022-12-31 13:26:15 +01:00
samples samples/bpf: Fix MAC address swapping in xdp2_kern 2022-12-31 13:25:50 +01:00
scripts scripts/faddr2line: Fix regression in name resolution on ppc64le 2022-12-08 11:30:14 +01:00
security apparmor: Fix memleak in alloc_ns() 2022-12-31 13:26:17 +01:00
sound ALSA: mts64: fix possible null-ptr-defer in snd_mts64_interrupt 2022-12-31 13:26:09 +01:00
tools bpftool: Fix memory leak in do_build_table_cb 2022-12-31 13:26:09 +01:00
usr Not a lot of material this cycle. Many singleton patches against various 2022-05-27 11:22:03 -07:00
virt KVM: Update gfn_to_pfn_cache khva when it moves within the same page 2022-12-02 17:43:13 +01:00
.clang-format inet: ping: use hlist_nulls rcu iterator during lookup 2022-12-14 11:40:58 +01:00
.cocciconfig
.get_maintainer.ignore get_maintainer: add Alan to .get_maintainer.ignore 2022-08-20 15:17:44 -07:00
.gitattributes .gitattributes: use 'dts' diff driver for dts files 2019-12-04 19:44:11 -08:00
.gitignore kbuild: split the second line of *.mod into *.usyms 2022-05-08 03:16:59 +09:00
.mailmap Qualcomm ARM64 DTS fixes for 6.0 2022-09-23 16:44:37 +02:00
COPYING COPYING: state that all contributions really are covered by this file 2020-02-10 13:32:20 -08:00
CREDITS drm for 5.20/6.0 2022-08-03 19:52:08 -07:00
Kbuild kbuild: rename hostprogs-y/always to hostprogs/always-y 2020-02-04 01:53:07 +09:00
Kconfig kbuild: ensure full rebuild when the compiler is updated 2020-05-12 13:28:33 +09:00
MAINTAINERS One MAINTAINERS update, two MM fixes, both cc:stable 2022-10-01 09:13:29 -07:00
Makefile Linux 6.0.15 2022-12-21 17:41:16 +01:00
README Drop all 00-INDEX files from Documentation/ 2018-09-09 15:08:58 -06:00

README 

Linux kernel
============

There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.

In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``.  The formatted documentation can also be read online at:

    https://www.kernel.org/doc/html/latest/

There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.

Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.